| Date | Form | Title |
|---|
| May 14, 2013 | 8-K | Change in Directors or Principal Officers, Submission of Matters to a Vote Summary - Full Filing at EDGAR Online(131kb) | | May 13, 2013 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(4mb) | | May 9, 2013 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(5mb) | | Apr 30, 2013 | 10-Q | Quarterly Report Summary - Full Filing at EDGAR Online(10mb) | | Apr 29, 2013 | 8-K | Results of Operations and Financial Condition, Financial Statements and Ex Summary - Full Filing at EDGAR Online(494kb) | | Apr 25, 2013 | 8-K | Change in Directors or Principal Officers Summary - Full Filing at EDGAR Online(26kb) | | Mar 10, 2013 | 8-K | Change in Directors or Principal Officers, Financial Statements and Exhibi Summary - Full Filing at EDGAR Online(280kb) | | Feb 26, 2013 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(5mb) | | Feb 13, 2013 | 10-K | Annual Report Summary - Full Filing at EDGAR Online(11mb) | | Feb 12, 2013 | 8-K | Results of Operations and Financial Condition, Financial Statements and Ex Summary - Full Filing at EDGAR Online(674kb) | | Jan 23, 2013 | 8-K | Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(71kb) | | Jan 17, 2013 | 8-K | Mine Safety - Reporting of Shutdowns and Patterns of Violations Summary - Full Filing at EDGAR Online(26kb) | | Jan 14, 2013 | 8-K | Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(64kb) | | Dec 4, 2012 | 8-K | Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(83kb) | | Nov 7, 2012 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(4mb) | | Oct 25, 2012 | 10-Q | Quarterly Report Summary - Full Filing at EDGAR Online(8mb) | | Oct 24, 2012 | 8-K | Results of Operations and Financial Condition, Financial Statements and Ex Summary - Full Filing at EDGAR Online(460kb) | | Sep 5, 2012 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(4mb) | | Aug 2, 2012 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(4mb) | | Jul 31, 2012 | 10-Q | Quarterly Report Summary - Full Filing at EDGAR Online(7mb) | | Jul 30, 2012 | 8-K | Results of Operations and Financial Condition, Financial Statements and Ex Summary - Full Filing at EDGAR Online(457kb) | | Jul 22, 2012 | 8-K | Regulation FD Disclosure, Other Events, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(96kb) | | Jul 1, 2012 | 8-K | Entry into a Material Definitive Agreement, Completion of Acquisition or D Summary - Full Filing at EDGAR Online(3mb) | | Jun 18, 2012 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(3mb) | | Jun 14, 2012 | 8-K | Entry into a Material Definitive Agreement, Financial Statements and Exhib Summary - Full Filing at EDGAR Online(176kb) | | May 17, 2012 | 8-K | Submission of Matters to a Vote of Security Holders Summary - Full Filing at EDGAR Online(48kb) | | May 15, 2012 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(4mb) | | May 6, 2012 | 8-K | Regulation FD Disclosure, Financial Statements and Exhibits Summary - Full Filing at EDGAR Online(5mb) | | Apr 30, 2012 | 10-Q | Quarterly Report Summary - Full Filing at EDGAR Online(6mb) |
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